This blog describes - Integrating the "Watson Alchemy API" service in IBM Bluemix with RStudio in IBM Data Science Experience.
Here, we use different NLP API's provided by Alchemy API from R Studio in IBM Data Science Experience. We use the rJava library to get sentiment, entities, relation etc on unstructured data.
Login to https://console.ng.bluemix.net/ and create an account then create a Alchemy Service.
Get the apikey from service credentials as below.
https://github.com/watson-developer-cloud/java-sdk/releases/download/java-sdk-3.3.1/java-sdk-3.3.1-jar-with-dependencies.jar
Generate the java jar for the java code.
Login to http://datascience.ibm.com and create an account.
Open R Studio and install the R Library - rJava
Create a folder and set it as working directory. Upload the java jar & java-sdk-3.3.1-jar-with-dependencies.jar to the working directory.
R Commands:
> library(rJava)
>
> cp = c("/home/rstudio/WatsonAlchemySentimentAnalysis/WatsonAlchemySentimentAnalysis.jar",
"/home/rstudio/WatsonAlchemySentimentAnalysis/java-sdk-3.3.1-jar-with-dependencies.jar")
>
> .jinit(classpath=cp)
>
> instance = .jnew("com.bluemix.BlueMix_Alchemy_API")
>
> sentiment <- .jcall(instance, "S", "getSentiment", "IBM Watson won the Jeopardy television show hosted by Alex Trebek","<provideTheAPIKeyFromBlumix>")
>
> cat(sentiment)
>
> entities <- .jcall(instance, "S", "getEntities", "IBM Watson won the Jeopardy television show hosted by Alex Trebek","<provideTheAPIKeyFromBlumix>")
>
> cat(entities)
>
> relation <- .jcall(instance, "S", "getTypedRelations", "IBM Watson won the Jeopardy television show hosted by Alex Trebek","<provideTheAPIKeyFromBlumix>")
>
> cat(relation)
Link to GitHub code
Further Reading:
Integrating the "IBM BigInsights for Apache Hadoop" service in IBM Bluemix with RStudio in IBM Data Science Experience - Part 1
Integrating the "IBM BigInsights for Apache Hadoop" service in IBM Bluemix with RStudio in IBM Data Science Experience - Part 2
Here, we use different NLP API's provided by Alchemy API from R Studio in IBM Data Science Experience. We use the rJava library to get sentiment, entities, relation etc on unstructured data.
1) Setup the "Watson Alchemy API" service in IBM Bluemix
Login to https://console.ng.bluemix.net/ and create an account then create a Alchemy Service.
Get the apikey from service credentials as below.
2) Build a Java Application
Download Watson Developer Cloud Java SDK
https://github.com/watson-developer-cloud/java-sdk/releases/download/java-sdk-3.3.1/java-sdk-3.3.1-jar-with-dependencies.jar
Create a Java Project with the below code
package com.bluemix;
import java.util.HashMap;
import java.util.Map;
import
com.ibm.watson.developer_cloud.alchemy.v1.AlchemyLanguage;
import
com.ibm.watson.developer_cloud.alchemy.v1.model.DocumentSentiment;
import
com.ibm.watson.developer_cloud.alchemy.v1.model.Entities;
import
com.ibm.watson.developer_cloud.alchemy.v1.model.TypedRelations;
public class BlueMix_Alchemy_API
{
String
Document;
public static void main(String[] args)
{}
public String
getSentiment(String inputStr, String ApiKey) {
AlchemyLanguage
service = new AlchemyLanguage();
service.setApiKey(ApiKey);
Map<String, Object> params = new HashMap<String,
Object>();
params.put(AlchemyLanguage.TEXT,inputStr);
DocumentSentiment sentiment =
service.getSentiment(params).execute();
return sentiment.toString();
}
public String
getTypedRelations(String inputStr, String ApiKey) {
AlchemyLanguage
service = new AlchemyLanguage();
service.setApiKey(ApiKey);
Map<String, Object> params = new HashMap<String,
Object>();
params.put(AlchemyLanguage.TEXT,inputStr);
TypedRelations relations = service.getTypedRelations(params).execute();
return relations.toString();
}
public String
getEntities(String inputStr, String ApiKey) {
AlchemyLanguage
service = new AlchemyLanguage();
service.setApiKey(ApiKey);
Map<String, Object> params = new HashMap<String,
Object>();
params.put(AlchemyLanguage.TEXT,inputStr);
Entities entities =
service.getEntities(params).execute();
return entities.toString();
}
}
Generate the java jar for the java code.
3) Setup the "IBM Data Science Experience"
Login to http://datascience.ibm.com and create an account.
Open R Studio and install the R Library - rJava
Create a folder and set it as working directory. Upload the java jar & java-sdk-3.3.1-jar-with-dependencies.jar to the working directory.
R Commands:
> library(rJava)
>
> cp = c("/home/rstudio/WatsonAlchemySentimentAnalysis/WatsonAlchemySentimentAnalysis.jar",
"/home/rstudio/WatsonAlchemySentimentAnalysis/java-sdk-3.3.1-jar-with-dependencies.jar")
>
> .jinit(classpath=cp)
>
> instance = .jnew("com.bluemix.BlueMix_Alchemy_API")
>
> sentiment <- .jcall(instance, "S", "getSentiment", "IBM Watson won the Jeopardy television show hosted by Alex Trebek","<provideTheAPIKeyFromBlumix>")
>
> cat(sentiment)
>
> entities <- .jcall(instance, "S", "getEntities", "IBM Watson won the Jeopardy television show hosted by Alex Trebek","<provideTheAPIKeyFromBlumix>")
>
> cat(entities)
>
> relation <- .jcall(instance, "S", "getTypedRelations", "IBM Watson won the Jeopardy television show hosted by Alex Trebek","<provideTheAPIKeyFromBlumix>")
>
> cat(relation)
Link to GitHub code
Further Reading:
Integrating the "IBM BigInsights for Apache Hadoop" service in IBM Bluemix with RStudio in IBM Data Science Experience - Part 1
Integrating the "IBM BigInsights for Apache Hadoop" service in IBM Bluemix with RStudio in IBM Data Science Experience - Part 2
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